Sennheiser OCX 685i SPORTS Headset

Spend more time on your training with the OCX 685i SPORTS Headset. The earclips stay secure to your ears so you no longer have to worry about them falling out or dislodging when you are pounding along on the treadmill. Plus, the high-output drivers deliver a brilliant, natural sound so your music can inspire and spur you on at the same time.